Therm-X-Trol Expansion Tanks

Therm-X-Trol Tanks are designed for use in potable water systems and open loop heating systems. They are manufactured by Amtrol.

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  • THERM-X-TROL ST-5 Expansion Tank View Specs
    • SKU: 140N43
    • Brand: Amtrol

    $43.49 / each

    $165.96 / box
    4 x $41.49

    In Stock! (23 Available) Ships in 24-48 Hrs
  • THERM-X-TROL ST-8 Expansion Tank View Specs
    • SKU: 140N738
    • Brand: Amtrol

    $55.95 / each

    Non-Stock Item Allow 1-2 Weeks to Ship Out
  • THERM-X-TROL ST-12 Expansion Tank View Specs
    • SKU: 141N43
    • Brand: Amtrol

    $57.95 / each

    $221.96 / box
    4 x $55.49

    In Stock! (36 Available) Ships in 24-48 Hrs
  • THERM-X-TROL ST-25V Expansion Tank (10.3 Gallon Volume) View Specs

    $118.95 / each

    $344.85 / box
    3 x $114.95

    Out of Stock Allow 1-2 Weeks to Ship Out
  • THERM-X-TROL ST-30V Expansion Tank (14 Gallon Volume) View Specs

    $169.85 / each

    In Stock! (3 Available) Ships in 24-48 Hrs
  • THERM-X-TROL ST-42V Expansion Tank (20 Gallon Volume) View Specs

    $235.85 / each

    In Stock! (1 Available) Ships in 24-48 Hrs
  • THERM-X-TROL ST-60V-C ASME Expansion Tank (25 Gallon Volume) View Specs

    $1,999.95 / each

    Non-Stock Item Allow 1-2 Weeks to Ship Out
  • THERM-X-TROL ST-60V Expansion Tank (34 Gallon Volume) View Specs

    $274.85 / each

    Non-Stock Item Allow 1-2 Weeks to Ship Out
  • THERM-X-TROL ST-20V-C ASME Expansion Tank (8 Gallon Volume) View Specs

    $1,625.95 / each

    Non-Stock Item Allow 1-2 Weeks to Ship Out
  • THERM-X-TROL ST-80V Expansion Tank (44 Gallon Volume) View Specs

    $325.85 / each

    Non-Stock Item Allow 1-2 Weeks to Ship Out
  • THERM-X-TROL ST-180V Expansion Tank (62 Gallon Volume) View Specs

    $489.95 / each

    Non-Stock Item Allow 1-2 Weeks to Ship Out
  • THERM-X-TROL ST-210V Expansion Tank (86 Gallon Volume) View Specs

    $529.95 / each

    Non-Stock Item Allow 1-2 Weeks to Ship Out
  • THERM-X-SPAN T-5 Expansion Tank (2 Gallon Volume) View Specs
    • SKU: 140735
    • Brand: Amtrol

    $33.95 / each

    $130.36 / box
    4 x $32.59

    In Stock! (19 Available) Ships in 24-48 Hrs
  • THERM-X-SPAN T-12 Expansion Tank (4.4 Gallon Volume) View Specs

    $42.95 / each

    $165.00 / box
    4 x $41.25

    In Stock! (11 Available) Ships in 24-48 Hrs
  • THERM-X-TROL ASME ST-12-C Expansion Tank View Specs
    • SKU: 141-326
    • Brand: Amtrol

    $1,399.95 / each

    Non-Stock Item Allow 1-2 Weeks to Ship Out
  • THERM-X-TROL ST-454-C, Replaceable Bladder Design ASME Tank (317 Gallon, 150 PSI) View Specs

    $11,419.95 / each

    Non-Stock Item Allow 1-2 Weeks to Ship Out
  • THERM-X-TROL ST-200V Expansion Tank (81 Gallon Volume) View Specs

    $629.95 / each

    Non-Stock Item Allow 1-2 Weeks to Ship Out
  • THERM-X-TROL ASME ST-30V-C Expansion Tank View Specs
    • SKU: 143-327
    • Brand: Amtrol

    $1,499.95 / each

    Non-Stock Item Allow 1-2 Weeks to Ship Out